/
resty.go
186 lines (162 loc) · 6.12 KB
/
resty.go
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package gresty
import (
"crypto/tls"
"errors"
"fmt"
"math/rand"
"net"
"net/http"
"runtime"
"sync"
"time"
"github.com/go-resty/resty/v2"
"golang.org/x/net/proxy"
)
var RestyClient = new(Resty)
type Resty struct {
Logger resty.Logger `inject:""`
client *resty.Client
once sync.Once
}
// Client ...Client
func (r *Resty) Client() *resty.Client { return r.lazyInit().client }
func (r *Resty) Constructor() {
r.lazyInit()
}
func (r *Resty) GetLogger() resty.Logger {
if r.Logger == nil {
r.Logger = &emptyLogger{}
}
return r.Logger
}
func (r *Resty) ResponseEnsureOK() *Resty {
r.Client().OnAfterResponse(func(c *resty.Client, r *resty.Response) error {
switch r.StatusCode() {
case http.StatusOK:
return nil
default:
return fmt.Errorf("%s\n[%s]\n%s\n", r.Request.URL, r.Status(), r.String())
}
})
return r
}
func (r *Resty) SetLogger(Logger resty.Logger) {
r.lazyInit()
r.Logger = Logger
r.client.SetLogger(Logger)
}
func (r *Resty) SetProxy(proxy string) *Resty {
r.Client().SetProxy(proxy)
return r
}
func (r *Resty) init() {
c := resty.New()
c.SetTransport(createTransport(nil))
c.SetLogger(r.GetLogger())
c.SetTimeout(time.Second * 20)
c.SetRetryCount(3)
c.SetRetryWaitTime(time.Millisecond * 300)
c.SetRetryMaxWaitTime(time.Second * 2)
c.SetAllowGetMethodPayload(true)
//c.SetContentLength(true)
c.SetHeaders(map[string]string{
"Accept": "*/*",
"Pragma": "no-cache",
"Cache-Control": "no-cache",
"Connection": "keep-alive",
})
c.OnBeforeRequest(func(client *resty.Client, request *resty.Request) error {
const ua = "User-Agent"
if resty.IsStringEmpty(request.Header.Get(ua)) {
request.SetHeader(ua, RandUseragent())
}
return nil
})
r.client = c
//r.ResponseEnsureOK()
}
// lazyInit ......
func (r *Resty) lazyInit() *Resty {
r.once.Do(r.init)
return r
}
func AssignTransport(c *http.Client, fn func(t *http.Transport)) {
t, err := HttpClientTransport(c)
if err != nil {
return
}
fn(t)
}
func Client() *resty.Client { return RestyClient.Client() }
func HttpClientTransport(c *http.Client) (*http.Transport, error) {
if transport, ok := c.Transport.(*http.Transport); ok {
return transport, nil
}
return nil, errors.New("current transport is not an *http.Transport instance")
}
func New() *Resty { return new(Resty).lazyInit() }
// RandUseragent ...
func RandUseragent() string {
userAgents := []string{
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.71 Safari/537.1 LBBROWSER",
"Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b13pre) Gecko/20110307 Firefox/4.0b13pre",
"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
//"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.12) Gecko/20070731 Ubuntu/dapper-security Firefox/1.5.0.12",
//"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
//"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
//"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0), Lynx/2.8.5rel.1 libwww-FM/2.14 SSL-MM/1.4.1 GNUTLS/1.2.9",
//"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
//"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; QQBrowser/7.0.3698.400)",
//"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E)",
//"Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",
//"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.12) Gecko/20070731 Ubuntu/dapper-security Firefox/1.5.0.12",
//"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; LBBROWSER)",
//"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
//"Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
//"Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; QQBrowser/7.0.3698.400)",
//"Opera/9.25 (Windows NT 5.1; U; en), Lynx/2.8.5rel.1 libwww-FM/2.14 SSL-MM/1.4.1 GNUTLS/1.2.9",
}
return userAgents[rand.Intn(len(userAgents))]
}
func SetTransport(c *http.Client, transport *http.Transport) {
c.Transport = transport
}
// SetTransportDialer ...
func SetTransportDialer(c *http.Client, dialer proxy.ContextDialer) {
transportVal, err := HttpClientTransport(c)
if err != nil {
return
}
transportVal.DialContext = dialer.DialContext
}
func createTransport(localAddr net.Addr) *http.Transport {
dialer := &net.Dialer{
Timeout: 10 * time.Second,
KeepAlive: 30 * time.Second,
//DualStack: true,
FallbackDelay: 500 * time.Millisecond,
}
if localAddr != nil {
dialer.LocalAddr = localAddr
}
return &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: dialer.DialContext,
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
TLSHandshakeTimeout: 10 * time.Second,
DisableKeepAlives: false,
DisableCompression: false,
MaxIdleConns: 20,
MaxIdleConnsPerHost: runtime.NumCPU() + 1,
MaxConnsPerHost: 0,
IdleConnTimeout: 29 * time.Second,
ResponseHeaderTimeout: 0,
ExpectContinueTimeout: 1 * time.Second,
WriteBufferSize: 0,
ReadBufferSize: 0,
ForceAttemptHTTP2: true,
}
}